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Commit 1553ce0e authored by Manman Ren's avatar Manman Ren
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X86: Update to peephole optimization to move Movr0 before (Sub, Cmp) pair. 

When Movr0 is between sub and cmp, we move Movr0 before sub if it enables
removal of Cmp.

llvm-svn: 160066
parent 24cf4e36
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